I often think of the days I stayed with the experts has a great effect on my job.A. wh

问题补充：

I often think of the days I stayed with the experts, has a great effect on my job.

A. when , which

B. when, who

C. that, which

D. which, that

答案：

(答案→)A. when , which

B. when, who

C. that, which

D. which, that

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